Table 6 Blood lead; Descriptive statistics on subject groups
Variable | Blood Lead Status (μg/dL) | ||||
|---|---|---|---|---|---|
n | Mean | SD | P- Value (Mann- Whitney Test) | ||
Status of CKDu | Positive | 103 | 3.1 | 1.8 | 0.184 |
| Â | Negative | 81 | 2.8 | 1.7 | |
Area of Residence | Padaviya | 80 | 3.1 | 1.7 | 0.279 |
| Â | Medawachchiya | 104 | 2.9 | 1.7 | |
Sex | Male | 76 | 3.2 | 1.9 | 0.143 |
| Â | Female | 108 | 2.8 | 1.6 | |
Age | ≤40 | 85 | 2.8 | 1.7 | 0.046 |
|  | > 40 | 99 | 3.2 | 1.7 | |
Total |  | 184 | 3.0 | 1.7 | – |